The Secretary of State for the European Union (SEUE) is a senior official of the Ministry of Foreign Affairs, European Union and Cooperation of the Government of Spain. The SEUE is appointed by the Monarch with the advice of the Foreign Minister.

The Ministry of Foreign Affairs, European Union and Cooperation (MAEUEC) is a department of the Government of Spain in charge of planning, managing, carrying out and evaluating the country's foreign and international cooperation for development policies, paying special attention to the ones in relation to the European Union and Ibero-America, as well as coordinating and supervising all actions done in this areas by the other Ministries and Public Administrations. Likewise, it is responsible for promoting international economic, cultural and scientific relationships, taking part in the proposal and application of the migration policy, promoting cross-border and interterritorial cooperation, protecting Spaniards abroad and preparing, negotiating and processing the international treaties which Spain is part of.